main fan

Company profits in 2008 year-on-year revenue growth, become main fan-megawatt class.

公司2008年收入利润 同比 大幅增长, 兆瓦级风机渐成主力.

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Determine the technical performance of mine main fan by means of safe incremental choking method

测定矿井主扇技术性能的安全增阻法

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By the practical test on main fan for coal mine, The testing plan, method and result analysis for testing fan using new technology under the on-line condition are introduced. Test features are summarized and the existing problems during the test are put forward.

通过煤矿主通风机装置的实际测试，介绍了在线条件下运用新技术测试风机的方案、测法和结果分析，总结了测试特点并提出了测试过程中应注意的问题。

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Study on Key Technologies of Main Fan Switchover Based on Hot Standby in Coal Mine

基于热备用的煤矿通风机倒机关键技术研究

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At present, air door or baffle plate is popularly used as a method in determining the technical performance of main fan in underground mines, by which the optional operating point of the fan is adjusted through adjustment of flow.

在对矿井通风机技术性能测试时，目前普遍采用风门法和板阻法来调节风量，进而调节风机的工况点。

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An Intelligence Test System on the Air Flow of the Main Fan

主要通风机风量智能测试系统

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Technological Transformation of the Main Fan Field Discs in the South Wing of Yungang Mine

云岗矿南翼主扇励磁盘的技术改造

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The function of the main fan in coal mine is to keep fresh air and reduce the concentration of gas.

煤矿主扇风机的主要功能是保证井下空气畅通新鲜，降低瓦斯浓度。

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Application of PLC in Chain Self-protection Control System of Main Fan Set

PLC在主风机组连锁自保控制系统中的应用

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Application of Liquid Resistance Start-up Actiyator to Control Main Fan Energy-saving Running

可控液体电阻启动调速器与主扇的节能运转

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In this paper silicon rectifier applied in energy _ saving alternation of main fan in coalmine is introduced.

介绍串级调速技术在煤矿主通风机节能改造中的应用.

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Transforming Local Civil Air Defence Tunnel into Main Fan Performance Test System

局部开发人防坑道为主扇性能测试系统

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Important technical measurement links of main fan and concrete measurement method of technical parameters of main fan are introduced in this paper. A concrete analysis of measurement results is also made.

介绍了煤矿主通风机的技术测试的重要环节，以及主通风机技术参数的具体测试方法，同时对测试结果进行了具体分析。

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Analysis about the Reliability of Mine Main Fan System Based on the Cold Standby and Repairable Model

基于冷储备可修模型的矿井主要通风机系统可靠性分析

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Technical Measurement Microcomputer Processing of Mine Main Fan

矿井主扇技术测定的微机处理方法

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The economic reasonableness of mine main fan ventilation and measures of saving power are expounded the.

阐述了矿井主扇通风的经济合理性及节约主扇电耗的措施.

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Performance Test Application of Main Fan in Coal Mine

煤矿主通风机的性能测试及应用

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Application of Emergency Shutdown System in Main Fan Unit for Catalytic Cracking Plant

紧急停车系统在催化裂化装置主风机组中的应用

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Manufacture and application of main fan wind pressure give an alarm panalarm

风扇、气泵或压缩机叶轮主通风机风压失常报警器研制和应用

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Portable Data Collection System for Performance Test of Mining Main Fan Set

便携式矿井主通风机装置性能测定数据采集系统

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The application of new techniques in the main fan of Nangang 180m~ 2 sintering plant

南（京）钢180m~2烧结主抽风机上新技术的应用

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Microcomputer Parallel Monitoring and Control System for Coal Mine Main Fan

煤矿主扇风机微机并行监控系统

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